engineering recuitment DVC Junior Engineer Mock Test 2024 Electrical Machines Three Phase Induction Motor Types of Induction Motor
Which of the following is NOT true for the slip ring induction motor when compared to the squirrel cage induction motor?
1
Rotor copper losses are high and hence less efficient.
2
Speed control by the rotor resistance method is not possible.
3
The rotor winding is similar to the stator winding.
4
Construction is complicated due to the presence of slip ring and brushes